using notches

Introduced: January 1985

Last revised: January 2006

Full Title

Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith > holding sliding wings open > using notches

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
Subclass:: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS